package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.Result;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;

import java.time.LocalDateTime;

/**
 * 功能：员工操作功能
 * 作者：zhoujun
 * 日期： 2024/12/29 14:52
 */
@Slf4j
@Controller
@RestController
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;

    /**
     * 员工登录
     * @param request
     * @param employee
     * @return
     */
    @PostMapping("/login")
    public Result<Employee> login(HttpServletRequest request, @RequestBody Employee employee) {

        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());

        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername, employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        if (emp == null) {
            return Result.error("登陆失败");
        }

        if (!emp.getPassword().equals(password)) {
            return Result.error("密码错误");
        }

        if (emp.getStatus() == 0) {
            return Result.error("账号已停用");
        }
        request.getSession().setAttribute("employee", emp.getId());
        return Result.success(emp);
    }

    /**
     * 员工退出登录
     * @param request
     * @return
     */
    @PostMapping("/logout")
    public Result<String> logout(HttpServletRequest request) {
        request.getSession().removeAttribute("employee");
        return Result.success("退出成功");
    }

    /**
     * 员工新增信息
     * @param request
     * @param employee
     * @return
     */
    @PostMapping
    public Result<String> save(HttpServletRequest request, @RequestBody Employee employee) {
        log.info("新增员工， 员工信息： {}", employee.toString());

        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

    /*    employee.setCreateTime(LocalDateTime.now());
        employee.setUpdateTime(LocalDateTime.now());

        Long empId = (Long) request.getSession().getAttribute("employee");

        employee.setCreateUser(empId);
        employee.setUpdateUser(empId);*/

        employeeService.save(employee);
        return Result.success("新增员工成功");
    }

    /**
     * 员工信息分页查询
     *
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public Result<Page> page(int page, int pageSize, String name) {
        log.info("page = {}, pageSize = {}, name = {}", page, pageSize, name);
        Page pageInfo = new Page(page, pageSize);
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
        queryWrapper.like(StringUtils.isNotEmpty(name), Employee::getName, name);
        queryWrapper.orderByDesc(Employee::getUpdateTime);

        employeeService.page(pageInfo, queryWrapper);
        return Result.success(pageInfo);
    }

    /**
     * 修改员工信息
     *
     * @param request
     * @param employee
     * @return
     */
    @PutMapping
    public Result<String> update(HttpServletRequest request, @RequestBody Employee employee) {
        log.info(employee.toString());

        Long empId = (Long) request.getSession().getAttribute("employee");
        employee.setUpdateUser(empId);
        employee.setUpdateTime(LocalDateTime.now());
        employeeService.updateById(employee);
        return Result.success("员工信息修改成功");
    }

    /**
     * 员工信息回显
     *
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public Result<Employee> getById(@PathVariable Long id) {
        log.info("根据id查询员工信息。。。");
        Employee employee = employeeService.getById(id);
        return Result.success(employee);
    }


}